SB20250422174 - Improper privilege management in Linux kernel bcachefs
Published: April 22, 2025 Updated: May 10, 2025
Security Bulletin ID
SB20250422174
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper privilege management (CVE-ID: CVE-2025-22019)
The vulnerability allows a local user to read and manipulate data.
The vulnerability exists due to improperly imposed permissions within the bch2_ioctl_subvolume_destroy() function in fs/bcachefs/fs-ioctl.c. A local user can read and manipulate data.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/558317a5c61045d460a37372181e7b43c0c002bb
- https://git.kernel.org/stable/c/707549600c4a012ed71c0204a7992a679880bf33
- https://git.kernel.org/stable/c/82383abd39abd635511b8956284a5cc8134c4dc1
- https://git.kernel.org/stable/c/9e6e83e1e2d01b99e70cd7812d7f758a8def9fc8
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.22